public class Constant {

    public static final String EMPTY_LIST="顺序表为空";

    public static final String ADD_POS_ILLEGALITY="add方法执行时的pos位置不合法";
    public static final String SET_POS_ILLEGALITY="set方法执行时的pos位置不合法";
    public static final String GET_POS_ILLEGALITY="get方法执行时的pos位置不合法";

}
